Distance Calculator

Distance from Mount Prospect to O'Fallon

Distance between Mount Prospect and O'Fallon is 421 kilometers (262 miles).
Driving distance from Mount Prospect to O'Fallon is 480 kilometers (298 miles).

air 421 km
air 262 miles
car 480 km
car 298 miles

Distance Map Between Mount Prospect and O'Fallon

Mount Prospect, Springfield, United StatesO'Fallon, Springfield, United States = 262 miles = 421 km.

How far is it between Mount Prospect and O'Fallon

Mount Prospect is located in United States with (42.0664,-87.9373) coordinates and O'Fallon is located in United States with (38.5923,-89.9112) coordinates. The calculated flying distance from Mount Prospect to O'Fallon is equal to 262 miles which is equal to 421 km.

If you want to go by car, the driving distance between Mount Prospect and O'Fallon is 479.87 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 04 hours 17 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 59 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Mount Prospect 42.0664, -87.9373 42° 3´ 59.1120'' N
87° 56´ 14.2440'' W
O'Fallon 38.5923, -89.9112 38° 35´ 32.1720'' N
89° 54´ 40.3560'' W

Estimated Travel Time Between Mount Prospect and O'Fallon

Average SpeedTravel Time
30 mph (48 km/h) 09 hours 59 minutes
40 mph (64 km/h) 07 hours 29 minutes
50 mph (80 km/h) 05 hours 59 minutes
60 mph (97 km/h) 04 hours 56 minutes
70 mph (112 km/h) 04 hours 17 minutes
75 mph (120 km/h) 03 hours 59 minutes
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